Oral puzzles

Jai Ganesh · 2020-05-19 00:18:11

Hi,

#4770. The average of four consecutive odd numbers is 6. Find the smallest of these numbers.

Jai Ganesh · 2020-05-29 00:17:43

Hi,

#4771. Ralph obtained 36, 25, 34, and 25 marks in history, geography, biology, and physics. What are his average marks?

Jai Ganesh · 2020-05-31 22:55:23

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#4772. The angles of a triangle are in Arithmetic Progression and the greatest angle is double the least. What is the ratio of the angles in the radian measure?

Jai Ganesh · 2020-06-02 00:40:31

Hi,

#4773. The average of 30 numbers is 40 and that of the other 40 numbers is 30. Find the average of all the numbers.

Jai Ganesh · 2020-06-04 00:26:52

Hi,

#4774. The average age of 50 students and the principal is 25 years. When the principal's age is excluded, the average age decreases by 1 year. What is the age (in years) of the principal?

Jai Ganesh · 2020-06-06 00:23:59

Hi,

#4775. The age of two toddlers Ted and Wilson is in the ratio 1:3. After 5 years, the ratio of their ages will become 3:4. Find the average of their ages after 15 years.

Jai Ganesh · 2020-06-08 00:31:36

Hi,

#4776. The average of nine numbers is 50. The average of the first five numbers is 54 and that of last three numbers is 52. Find the sixth number.

Jai Ganesh · 2020-06-10 00:02:20

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#4777. If we take four numbers, the average of the first three is 16 and that of the last is 15. If the first number is 19, find the last number.

Jai Ganesh · 2020-06-11 00:37:22

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#4778. The average of five prime numbers is 6.If the first four of them are one-digit prime numbers, find the value of the 5th prime number.

Jai Ganesh · 2020-06-13 00:22:07

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#4779. Find the average of the first 10 prime numbers.

Jai Ganesh · 2020-06-14 00:13:41

Hi,

#4780. If a, b, c, d, and e are five consecutive even numbers, find their average in terms of a.

Jai Ganesh · 2020-06-15 01:45:31

Hi,

#4781. Find the average of all the numbers between 9 and 31 which are divisible by 5.

Jai Ganesh · 2020-06-17 00:21:21

Hi,

#4782. The average of 9 integers is found to be 11. But after calculation, it was detected, by mistake, the integer 23 was copied as 32, while calculating the average. After the correction is made, find the new average.

Jai Ganesh · 2020-06-18 00:16:23

Hi,

#4783. If the average of five consecutive even numbers is 24, find the largest of these numbers.

Jai Ganesh · 2020-06-19 00:33:45

Hi,

#4784. The average of five consecutive even numbers is 24. Find the difference between the largest and the smallest number.

Jai Ganesh · 2020-06-21 00:12:14

Hi,

#4785.A zoo has an average of 510 visitors on Sundays and 240 on other days. Find the average number of visitors per day in a month of 30 days beginning with a Saturday.

Jai Ganesh · 2020-06-23 03:03:29

Hi,

#4786. The average of 5 quantities is 6. The average of three of them is 8. What is the average of the remaining two numbers?

Jai Ganesh · 2020-06-25 00:19:16

Hi,

#4787. The average of temperatures at noon time from Monday to Friday is 50° C; the lowest one is 45° C. What is the possible maximum of the temperature (in °C)?

Jai Ganesh · 2020-06-27 00:24:00

Hi,

#4788. Find the average of all odd numbers between 20 and 30.

Jai Ganesh · 2020-06-29 00:16:48

Hi,

#4789. The average age of three boys is 16 years. If their ages are in the ratio 4:5:7, what is the age of the eldest boy?

Jai Ganesh · 2020-07-01 00:13:31

Hi,

#4790. Find the average of first 20 multiples of 4.

Jai Ganesh · 2020-07-03 00:06:16

Hi,

#4791. If the sum of three consecutive even numbers is 36 more than the average of these numbers, find the largest of these numbers.

Jai Ganesh · 2020-07-05 00:24:18

Hi,

#4792. Four years ago, the average of A, B, and C was 23 years and that of B, and C, three years ago was 24 years. Find A's present age.

Jai Ganesh · 2020-07-07 00:41:33

Hi,

#4793. The average weight of 35 students in a school is 40 kilograms. If 5 students of an average weight 100 kilograms left the school, find the new average of remaining students.

Jai Ganesh · 2020-07-09 00:32:20

Hi,

#4794. When a student weighing 46 kilograms left a class, the average weight of the remaining 59 students increased by 300 grams. What is the average weight of the remaining 59 students?

Math Is Fun Forum

#6626 2020-05-19 00:18:11

Re: Oral puzzles

#6627 2020-05-29 00:17:43

Re: Oral puzzles

#6628 2020-05-31 22:55:23

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#6629 2020-06-02 00:40:31

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#6630 2020-06-04 00:26:52

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#6631 2020-06-06 00:23:59

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#6632 2020-06-08 00:31:36

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#6633 2020-06-10 00:02:20

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#6634 2020-06-11 00:37:22

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#6635 2020-06-13 00:22:07

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#6636 2020-06-14 00:13:41

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#6637 2020-06-15 01:45:31

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#6638 2020-06-17 00:21:21

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#6639 2020-06-18 00:16:23

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#6640 2020-06-19 00:33:45

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#6641 2020-06-21 00:12:14

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#6642 2020-06-23 03:03:29

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#6643 2020-06-25 00:19:16

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#6644 2020-06-27 00:24:00

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#6645 2020-06-29 00:16:48

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#6646 2020-07-01 00:13:31

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#6647 2020-07-03 00:06:16

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#6648 2020-07-05 00:24:18

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#6649 2020-07-07 00:41:33

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#6650 2020-07-09 00:32:20

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